Effects of Temperature and Rainfall on the Activity and Dynamics of Host-Seeking Aedes albopictus Females in Northern Italy
Open accessAbstract
The Asian tiger mosquito, Aedes albopictus, has colonized nearly all the regions of Italy as well as other areas of Europe. During the summer of 2007 the tiger mosquito was responsible for an outbreak of Chikungunya in Italy, when this virus was brought in by a tourist of Indian origin returning from an endemic area. To increase the knowledge of tiger mosquito population dynamics, a survey was carried out from April to November 2008 in the municipalities of Arco and Riva del Garda (northern Italy) through a Biogents Sentinel™ (BG)-trap sampling. In particular, the aim of the study was to evaluate the influence of temperature and rainfall on the activity and dynamics of A. albopictus host-seeking females. The seasonal emergence of host-seeking females was strongly influenced by the minimum temperature, and a lower threshold of 13°C was identified. In addition, the threshold for the end of adult activity was found at a minimum temperature of 9°C. Host-seeking female abundance was positively affected by the accumulated temperatures over the period 3 and 4 weeks before the sampling week, possibly as a consequence of the positive effect of accumulated temperatures on larval density. Instead, accumulated precipitation over 1-4 weeks before sampling was negatively correlated with host-seeking female abundance. Finally, the activity of host-seeking females, estimated by the weekly increment in female abundance, was positively affected by the total abundance of females and by mean weekly temperatures. Our study provides useful information for predicting the dynamics of host-seeking Ae. albopictus females in northern Italy and for designing control strategies for preventing arbovirus outbreaks in areas colonized by Ae. albopictus.
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Environmental conditions critically affect mosquito activity patterns.
“and environmental conditions also critically affect mosquito activity patterns [137,138,139,140].”
From North American Wetlands and Mosquito Control (2012) · cites this paper as [140]
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- Authors
- Roiz, D., Rosà, R., Arnoldi, D., & Rizzoli, A.
- Affiliations
- Fondazione Edmund Mach (IT)
- Venue
- Vector-Borne and Zoonotic Diseases
- Publisher
- SAGE Publications
- Published
- 2010-10
- Volume
- 10
- Issue
- 8
- Pages
- 811-816
- ISSN
- 1530-3667 (ISSN-L)
- 1557-7759
- OpenAlex
- W1990593892
- Cited by
- 132
- References
- 33
- Citations by year
- 2026: 5 · 2025: 11 · 2024: 7 · 2023: 11 · 2022: 6 · 2021: 18 · 2020: 8 · 2019: 8 · 2018: 10 · 2017: 5 · 2016: 10 · 2015: 7 · 2014: 3 · 2013: 7 · 2012: 10
- FWCI
- 7.29
- Type
- journal article
- Language
- en
- Open access
- green
- doi.org
- Locations
- Vector-Borne and Zoonotic Diseases (publishedVersion)
- PubMed (publishedVersion)
- Iris (University of Trento) (submittedVersion)
- CINECA IRIS Institutional Research Information System (Fondazione Edmund Mach) (submittedVersion)
- RUIdeRA - Institutional University Repository (University of Castilla-La Mancha) (submittedVersion, other-oa)
- Topics
- Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Mosquito-borne diseases and control
- Social Sciences › Sociology and Political Science › Dengue and Mosquito Control Research
- Life Sciences › Agricultural and Biological Sciences › Insect Science › Insect behavior and control techniques
- Keywords
- Aedes albopictus, temperature effects, rainfall effects, seasonal emergence, accumulated temperature, larval density, chikungunya outbreak, vector control, Northern Italy
- MeSH terms
- Aedes, Animals, Feeding Behavior, Female, Italy, Motor Activity, Population Density, Rain, Temperature
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